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Related Experiment Video

Updated: May 19, 2026

A Rat Model of Ventricular Fibrillation and Resuscitation by Conventional Closed-chest Technique

A Rat Model of Ventricular Fibrillation and Resuscitation by Conventional Closed-chest Technique

Published on: April 26, 2015

Vertebral artery dissection secondary to defibrillation threshold testing.

Andrew R Gavin¹, Andrew D McGavigan, Cameron Singleton

¹Department of Cardiovascular Medicine, Flinders Medical Centre, Flinders University of South Australia, Australia. Andrew-gavin@hotmail.com

Acta Cardiologica

|August 9, 2012

Summary

A patient developed vertebral artery dissection after receiving an implantable cardioverter-defibrillator (ICD). This case highlights potential risks associated with defibrillation threshold testing during ICD implantation.

Related Experiment Videos

Last Updated: May 19, 2026

A Rat Model of Ventricular Fibrillation and Resuscitation by Conventional Closed-chest Technique

A Rat Model of Ventricular Fibrillation and Resuscitation by Conventional Closed-chest Technique

Published on: April 26, 2015

Area of Science:

Cardiology
Neurology
Vascular Surgery

Background:

Implantable cardioverter-defibrillators (ICDs) are crucial for managing life-threatening arrhythmias in patients with ischemic cardiomyopathy.
Defibrillation threshold (DFT) testing is a standard procedure during ICD implantation to ensure device efficacy.

Observation:

A 57-year-old man with ischemic cardiomyopathy experienced vertebral artery dissection two days post-ICD implantation.
The dissection occurred following defibrillation threshold testing, raising questions about potential iatrogenic causes.

Findings:

The case suggests a possible association between defibrillation threshold testing and the development of vertebral artery dissection.
Neck manipulation and hemodynamic changes during DFT testing may contribute to arterial trauma.

Implications:

This report underscores the importance of considering rare complications following ICD implantation.
Further investigation into the biomechanical effects of DFT testing on cervical arteries is warranted.
Clinicians should maintain a high index of suspicion for vascular complications in patients presenting with neurological symptoms post-ICD procedures.